Glashütte Original · SeaQ

Strap for SeaQ 1969 Date Stainless Steel / Black / Textile / Folding

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter40 mm
Reference1-39-11-01-80-34
FamilySeaQ
MovementGlashütte Original caliber 39-11 hours, minutes, seconds | date
Year2019
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the SeaQ 1-39-11-01-80-34

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The SeaQ 1-39-11-01-80-34, seen from the bench

The Glashütte Original SeaQ 1-39-11-01-80-34 is a contemporary evolution of 1960s diving instrument heritage. The stainless steel case measures 39.50mm in diameter with a 22mm lug width, housing the certified chronometer caliber 39-11 movement running at 28,800 oscillations per hour with visible platinum rotor. The model features Mercedes hands on a matte black dial with luminous indexes, offering essential functions of hours, minutes, seconds, and date without complications.

Frequently asked questions

What is the exact lug width of the Glashütte Original SeaQ 1-39-11-01-80-34?

The SeaQ 1-39-11-01-80-34 features a lug width of 22mm. This measurement is calculated from the base of the lug shoulder to the opposite vertex and represents a classic standard that preserves the optical proportions of the model. All artisanal straps offered by Milano Straps for this reference strictly respect this width, with manufacturing tolerance below 0.5mm.

Which strap is most suitable for the Glashütte Original SeaQ 1-39-11-01-80-34?

Selection depends on intended use. For sartorial elegance and formal contexts: alligator in brown or black with stainless steel ardillon buckle. For daily versatility: vegetable-tanned calf, which develops natural patina over time. For technical and aquatic use: FKM rubber in black or slate grey, offering exceptional grip and minimal maintenance. Beige or grey NATO fabric evokes vintage Saxonian diver aesthetics.

How do you change the strap on the Glashütte Original SeaQ?

The SeaQ uses standard spring bar lugs (22mm width). The procedure requires a spring bar removal tool. Method: place the watch face-down on a soft cloth; gently press the spring bar outward with the punch; remove the old strap; insert the new strap into the lug shoulders; reinsert the spring bar until you feel mechanical resistance. This is a delicate operation requiring precision; many prefer authorised service centres.

Are aftermarket straps compatible with the SeaQ 1-39-11-01-80-34?

Yes, provided they respect the 22mm lug width specification. Milano Straps artisanal straps are specifically calibrated for this Glashütte reference. Before ordering, verify that the strap is certified for 22mm: incorrect measurements cause mechanical stress on spring bars and lugs, whilst oversized lugs compromise overall aesthetics.

What is the lifespan of a leather strap for the Glashütte Original SeaQ?

A quality artisanal leather strap, subject to proper maintenance (monthly cleaning with damp cloth, annual conditioning with neutral creams), achieves longevity of 5-7 years in daily use. Vegetable-tanned leather ages superior to chrome-tanned, with increasingly deeper patina. FKM rubber exceeds 10-12 years. Factors such as humid climate, constant sun exposure and perspiration accelerate wear: in these contexts, consider rubber or fabric alternatives.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only